Clodagh McKenna steps aboard a yacht on Carlingford Lough, renowned for its mussels and oysters, and meets skipper Michael Caine. Clodagh watches a multi-million Euro mussel dredger lift, sort and spread the mollusks. She then fulfills her long-standing ambition to drive a powerboat. Back on shore, Clodagh visits the Carlingford Oyster Company's oyster beds and learns about different types of oysters. Finally, Clodagh watches chef Denis Crompton prepare local mussels and oysters.